No automatic rebuild: only on preview. Update of visualization behavior due to the...

[modules/shaper.git] / src / ModelAPI / ModelAPI_Events.h

diff --git a/src/ModelAPI/ModelAPI_Events.h b/src/ModelAPI/ModelAPI_Events.h
index b2b9add754c302610ffcf72e5e768c3b6294a2a8..7345815e22a1079a3eceacdecf47a4e3c5c0e7a5 100644 (file)
--- a/src/ModelAPI/ModelAPI_Events.h
+++ b/src/ModelAPI/ModelAPI_Events.h
@@ -41,7 +41,7 @@ class ModelAPI_ObjectUpdatedMessage : public Events_MessageGroup
 
  public:
   /// Returns the feature that has been updated
-  virtual std::set<ObjectPtr> objects() const = 0;
+  virtual const std::set<ObjectPtr>& objects() const = 0;
 
   //! Creates a new empty group (to store it in the loop before flush)
   virtual boost::shared_ptr<Events_MessageGroup> newEmpty() = 0;